CompTIA Security+ (SY0-501) — Question 433

Two companies are enabling TLS on their respective email gateways to secure communications over the Internet. Which of the following cryptography concepts is being implemented?

Answer options

• A. Perfect forward secrecy
• B. Ephemeral keys
• C. Domain validation
• D. Data in transit

Correct answer: D

Explanation

The correct answer is D, as enabling TLS is specifically aimed at securing data that is being transmitted over the Internet. Options A and B pertain to methods of enhancing security but are not directly related to the act of securing data in transit. Option C relates to the verification of domain ownership rather than securing communication.